Editing TSI

'''TSI''' may refer to:
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==Science, technology and engineering==
* [[Technology Schools Initiative]]
* [[Thyroid stimulating immunoglobulin]]
* [[Time-Slot Interchange]], communications network switches
* [[Total solar irradiance]] received at top of atmosphere
* Triple sugar iron test or [[TSI slant]], of a microorganism's ability to ferment sugars
* [[Trophic state index]] of plant nutrients in waterbodies
* [[Turbo fuel stratified injection]], a VW engine trademark TSI or TFSI

==Standards, and standards organisations==
* [[Technical Specifications for Interoperability]] within European railways
* [[Trading Standards Institute]], a British professional association
* [[Trustworthy Software Initiative]], UK
* [[Turkish Standards Institution]], a public standards organization in Turkey

==Companies==
* [[TekSavvy]] Solutions Inc., Canadian telecommunications company
* [[Telesensory Systems]] Inc., maker of products for the blind
* [[Town Sports International]], an operator of fitness facilities

==Organisations==
* [[The Seasteading Institute]], for creating dwellings on seaborne platforms in international waters
* [[Three Seas Initiative]], European intergovernmental group

==Media and entertainment==
* ''[[Televisione svizzera di lingua italiana]]'', Swiss Italian-language TV

==Other uses==
* Texas Success Initiative, a guide for [[Remedial education|developmental education]] to ensure college readiness in the state of Texas
* [[Time in Turkey]], generally abbreviated with its usage in Turkish, '''''T'''ürkiye '''S'''aati '''İ'''le'' ({{translation|With Turkey Time}})
* Tissue saturation index in medical [[near-infrared spectroscopy]]
* [[Total system inertia]] of an electrical grid
* [[True strength index]] of financial markets
* [[Trauma symptom inventory]], a psychological assessment instrument

{{disambiguation}}